important - Eco Green Air
Contents
1. 40 1ossaidwiog 9S9 FOVIIOA UMS AUNSSAlg 5 Pewa ONIMIM ONES IWLSOWHYSH1 OL HOD 2010 1000 99 921 SNOILOANNOO HOLIMS 01315 HOIH ZA xovg _Y MOTTAA 109 GION310S TWNIWHSAL YOLOW NY4 YOLOW YOSSAYdWOO SLOVLNOO YOSSSHdNOO 5 AOEZ 807 Syy INDIID 01 U09 5 OA OSL Snid BBS Z SSEID EANH IEA pZ 0 JOBUUOD 9 xne sed N Burnes 295 103 5 GOL 10 5 S1OJONPUOD 104 sap juawanbiun 2 2 0 5 061 pey SWa SAs JON 2 5101 Jaddood asn Ajddns 104 2 1 JOQUUODSIG SALON Ue4 pseds OML YUM A0EZ 8022. 104 y 061 pey 5 5 UO 5 JON 2 Sioyonpuod asn Ajddns 104 2 2 0251 L 5310 1030 OML 5 105 S E lt Figure 9 Wiring Diagram for S4BF 13 6021 HOLIMS KE moman gt gt MONIA AlddNS 97814 ASVHd JI NIS 1 NYS P I 6 H eral C HOLOWLNOO pi D MOTIAA ZH 09 ova IWLSOWHSH1 7109 dIONJTOS OSD HOLIMS SYNSSAYd HOIH SdH 5 ai HOLIMS SYNSS3Yd MOT 541 SSVOMNVHO HOO i i 7109 HOLOVINOO 99 07819 991 HOLIMS SNOILOSNNOO 5 HOIH 91915 NOA ki ZA if 8 7109 1 5 t Q LL D
3. MOI ONIYIM 91913 0 3991 YELLOW BLACK y SNOILLOANNOO 91913 ve ZA MOS GlIONSTOS 5 FINGOW 14877 LYOAWOOD YOLOW YHOLOW YOOdLNO 5 9 5 agy Movida JINON LYST LHOANOD NI ONINAdO 2 HONOYHL SIHL 31104 OWA 41 gt PNO SOVLIOA suns 10559 0 00 2 PEJS Ul JUBLIND LINDYID NNY NAdO UNI Ul Juano LYVLS N3d0 YOLOY 034901 juo 1 5 NITAD LYOHS Jossaidwod 10 sw JO NO UONONs 10 3 55 WALSAS s JWILNNY SNOT jou 1 1055 ay si sey voxduoseq aatsnmas ___ ast A0E 802 ZH 09 6 ysel 14 47 MOJA 8 5 5 1937 4 ysel 1447 MOBA 9 ysel 19371 MOA 9 ysel 14 47 MOJA 1497 ysel 1497
4. Q LL q SLOVLNOOD 5 HOLOW NV s G i 5 AOEZ 807 Ww SHY 5 jeuondo pue 5 e 061 snid ap 295 Z 5 2 pz 9 suonejjeysul xne sed ON 2 295 104 Ud Do SOL 10 5 S10 ONPUOD 104 y 5 sap uawanbiun 29 2 061 yey jqeuns on asn Ajddns 104 2 ueno L SALON 1030 AO0EZ 802 100P NC UON puo 5 5 1195 OML WVYSVIC ONIYIM 14 8070 0022012 5 HOLIMS SYNSSAYd SYNSSAYd mova KE XX orga MOTISA 919154 ASVHd 2 5 IWLSOWHSHL OL 7109 GIONATIOS 959 HOLIMS SYN
5. 4 1447 5 14 LYATV MOA HL POY 1 AMOd U39319 SLOVLNOO YOSS3YdWOO 5 jeuondo 10 25 Z HZ 9 9295 104 2 801 40 5 5 asn 104 SHOA 0G Jey 5 JON 2 Ajuo Jaddoo asn Ajddns 104 2 5 L SALON 410 0 paads ajbuls Wa sAs yids OML WVYSVId 9NIHIM 3113 0S4 snid xne sed N 6 sap 2 8 gueno 7 les 024 2 Ton Ser iagram for S4BF with Comfort Alert D iring Ww 7 igure F 11 6021 0910114 HOLIMS SYNSssadd MOTISA Nora 7314 ASVHd JTONIS ls nm Ngo z1 11 MIHIS yv YOLIOVdVO ZH 09
6. 100p NO 5 Hids WVdSVId Figure 8 Wiring Diagram for S4BF 036 3 Ton Series 12 800 o a zal 0608012 HOLIMS SYNSS3Yd HOLIMS SYNSS3AYd MOTISAKE MOTISA gt AlddNs 91915 ASVHd ATONIS 1 MAYOS 9 Movie ania FINGOW Lyg LYOJWOO NI ONINAdO SIHL 31704 MOTIAA MOTISA JINON LYA TV LHOAWOO SNINAdO S HONOYHL SHIM SIHL JHLNOY MOTISA YELLOW y ania JINON 1431Y L404W09 YOLOW NY4 YyoodLno JINON 1 LHOSANOD NI 2 HDNOYHL SHIM SIHL ALNOU OWA 41 gt PN FOWLIOA MOT 6 ysel LH gt ATV MOJA sun semje 1 55 5 YHOLOVLNOO 8 1 PEJS Auo NNY Z 1997 juo 1915 9 ysej4 1 MONA LINDYID NAdO ysel 14970 MOA YOLOY C3907 5214 19971 MOA Juo S NITIA LYOHS P09 1991 10 Suul Jo NO 10 10 I
7. 4 LYST jou si y jnq juesaid si 09915 uondusseg ___ ZH 09 puls 02 80 5 SLOVLNOO 5 YOOd LNO 5 AOEZ 807 syy 1 O4 U09 10 Q119 HOA OSL Snid ap aag Z SSEJI LAQH ILA pz 011290 05 9 xne sed ON 6 91214 295 pue 104 6 SOL 40 5 asn 104 py sap juawanbiun z ojdw3 8 0 SHOA 061 Pey SWAJS S UO JON 2 Ajuo Jaddoo asn Ajddns 104 2 yuene 4 5 Jle 1 1 SALON 1040 1 WO3 1 Wa SsAS yids OML WVYSVIC ONIYIM les 060 4 amp 5 Ton Ser Figure 11 Wiring Diagram for S4BF 048 amp S4BF with Comfort Alert 15 Sta
8. Figures 6 11 pages 10 15 Make all electrical connections in accordance with all applicable codes and ordinances Overcurrent protection must be provided at the branch circuit distribution panel and sized as shown on the unit rating label and according to applicable local codes See the unit rating plate for minimum circuit ampacity and maximum overcurrent protection limits Provide power supply for the unit in accordance with the unit wiring diagram and the unit rating plate Connect the line voltage leads to the terminals on the contactor inside the control compartment Use only copper wire for the line voltage power supply to this unit as listed in Table 1 Use proper code agency listed conduit and a conduit connector for connecting the supply wires to the unit Use of rain tight conduit is recommended 208 230 Volt units are shipped from the factory wired for 230 volt operation For 208V operation remove the lead from the transformer terminal marked 240V and connect it to the terminal marked 208V Optional equipment requiring connection to the power or control circuits must be wired in strict accordance of the NEC ANSI NFPA 70 applicable local codes and the instructions provided with the equipment Comfort Alert Diagnostics Module Select Models Only The Comfort Alert Diagnostics Module Figure 2 is a breakthrough innovation for troubleshooting heat pump and air conditioning system failures The module installs e
9. provided with the unit and must be installed in the liquid line of the system If the installation COPPER WIRE SIZE AWG 1 Voltage Drop Supply Wire Length Feet 150 Supply Circuit Ampacity 6 4 4 4 3 3 2 2 2 1 Wire Size based on N E C for 60 type copper conductors Table 1 Copper Wire Size replaces a system with a filter dryer already present in the liquid line the filter dryer must be replaced with the one supplied with the unit The filter dryer must be installed in strict accordance with the manufacturer s installation instructions Optional equipment such as liquid line solenoid valves low ambient etc should be installed in strict accordance with the manufacturer s installation instructions ELECTRICAL WIRING A WARNING To avoid risk of electrical shock personal injury or death disconnect all electrical power to the unit before performing any maintenance or service The unit may have more than one electrical supply Label all wires prior to disconnection when servicing the unit Wiring errors can cause improper and dangerous operation All electrical connections must be in compliance with all applicable local codes and ordinances and with the current revision of the National Electric Code ANSI NFPA 70 For Canadian installations the electrical connections and grounding shall comply with the current Canadian Electrical Code CS
10. will flash consecutively pause and then repeat the process The number of consecutive flashes referred to as the Flash Code correlates to a particular abnormal condition Detailed descriptions of these ALERT Flash Codes are listed in Tables 3 amp 4 Ye Y G RCR C WaWE TRIP LED Red indicates a demand signal is received from the thermostat but current to the compressor is not detected by the module The TRIP LED typically indicates if the compressor protector is open or the compressor has no power The scroll compressor s R run common and 5 start wires are routed through the holes in the Comfort Alert module marked R C amp S NOTE The common Air Conditioner 5 OD Secti wire does not need to be routed through the module for Alert it to operate 7 NOTE FOR THE MATCH Grounding S4BF 024KA C6B A H X30 C U C G7T C S4BF 024KA C6B A H X30 C U C G7S C SHE Only connect Y2 from thermostat to OD Y2 ____ A WARNING ____ Figure 3 Typical 2 Stage Air Conditioner The unit cabinet must have an uninterrupted or with Comfort Alert with Gas Furnace unbroken electrical ground to minimize personal injury if an electrical fault should occur Do not use gas piping as an electrical ground Thermostat O Y2 Y G RCRH C W2WE This unit must be electrically grounded in accordance with local codes or
11. 4BF Split System Air Conditioners are shipped charged with R410A refrigerant and ready for installation If repairs make it necessary for evacuation and charging it should only be attempted by qualified trained personnel thoroughly familiar with this equipment Under no circumstances should the owner attempt to install and or service this equipment Failure to comply with this warning could resultin property damage personal injury or death After refrigerant line connections are completed it is required that you leak check and evacuate the indoor section and all line connections using proper methods before finalizing the full system refrigerant charge Refrigerant charging charts are applicable only to matched assemblies of NORDYNE equipmentand listed airflows for the indoor coil Refer to Figure 5 page 11 for correct system charging S4BF outdoor units with non AHRI listed indoor coils are not recommended Deviations from rated airflows or non listed combinations may require modification to the expansion device and refrigerant charging procedures for proper and efficient system operation The refrigerant charge can be checked and adjusted through the service ports provided external to the outdoor unit Use only gage line sets which have a Schrader depression device present to actuate the valve Charging the Unit in AC mode at outdoor tempera tures above 55 F for optimized sub cooling of 10 F 12 F 1 With
12. A C22 1 and or local codes Pre Electrical Checklist Verify that the voltage frequency and phase of the supply source match the specifications on the unit rating plate Verify that the service provided by the utility is sufficient to handle the additional load imposed by this equipment Refer to the unit wiring label for proper voltage wiring Verify factory wiring is in accordance with the unit wiring diagram Figures 6 11 pages 10 15 Inspect for loose connections Line Voltage A wiring diagram is located on the inside cover of the electrical box of the outdoor unit The installer should become familiar with the wiring diagram before making any electrical connections to the outdoor unit Anelectrical disconnect must be located within sight of and readily accessible to the unit This switch shall be capable of electrically de energizing the outdoor unit Line voltage to the unit should be supplied from a dedicated branch circuit containing the correct fuse or circuit breaker for the unit Incoming field wiring and minimum size of electrical conductors and circuit protection must be in compliance with information listed onthe outdoor unit data label Any other wiring methods must be acceptable to authority having jurisdiction The outdoor unit requires both power and control circuit electrical connections Refer to the wiring diagram schematic for identification and location of outdoor unit field wiring interfaces
13. HNSSIYd WALSAS 4 1 MOI s 1 55 5 JWILNNY use 137 Buluun jou 1 1055 y jnq juasaid s 5 dL sey U30319 uonduosegaaismeis ________ ZH 09 SLOVLNOO YOSSAYdNOO 9119 061 snid xne sed N 6 sap 229 8 ueno Z A0E 802 109 uey H40 5 9S9 YoUMs YBIH SdH YMS 47 OSCOYURID HOO ONIYIM 91913 05 201021000 99 9991 SNOILLOANNOO 913915 ve cA GIONS1OS YOSSSYdNOO 5 AOEZ 807 jeuondo pue 10 5 uonejjesu BBS Z 5 2 pZ 0 JOBUUOD 9 295 104 GOL 104 5
14. SPLIT SYSTEM AIR CONDITIONER 16 SEER SINGLE PHASE MODELS INSTALLATION INSTRUCTIONS S4BF 024 036 048 amp 060 2 3 4 amp 5 Ton Series IMPORTANT ATTENTION INSTALLERS It is your responsibility to know this product better than your customer This includes being able to install the product according to strict safety guidelines and instructing the customer how to operate and maintain the equipment for the life of the product Safety should always be the deciding factor when installing this product and using common sense plays an important role as well Pay attention to all safety warnings and any other special notes highlighted in the manual Improper installation of the furnace or failure to follow safety warnings could result in serious injury death or property damage These instructions are primarily intended to assist qualified individuals experienced in the proper installation of this appliance Some local codes require licensed installation service personnel for this type of equipment Please read all instructions carefully before starting the installation Return these instructions to the customer s package for future reference DO NOT DESTROY PLEASE READ CAREFULLY amp KEEP IN A SAFE PLACE FOR FUTURE REFERENCE IMPORTANT SAFETY INFORMATION AIR CONDITIONER INSTALLATION General Information Before You Install this Unit Locating the Air conditioner Packaging Removal Ground Level Roof Mount Co
15. SS3Yd SdH HOLIMS MOT 541 FOVLIOA SSVOMNVHO HOO 314 HOLOVLNOD 99 41 SNOILOANNOO 91914 ve 7109 GION310S 5 JINON 19877 1404W09 YOLOW YOLIOVdYD JINON 1431Y LYOSWOD NI SNINAdO SIHL 31104 MOTNJA YOLOWLNOD MOTNJA JINON LYATV LHOAWOO NI ONINSdO S HDNOYHL SIHL ILNOY aay JINON LYA TV LHOAWOO NI SNINAdO D HONOYHL SHIM SIHL OWA 41 gt N0119 JONUOD FOVLIOA MOT 6 ysel LUFT suns 1055910309 HOLOVLNOD 8 ysel LYIT PEJS U NNY 2 5214 1 MOA UNL puuno LINDHID LHYLS 9 ysely 14 47 S USB LHATV YOLOY 52 4 LHII Ajuo s 105591030 LHOHS 2 ysel LHATV MOJA 10 aunssad 10 dIHLIYNSSIYd WALSAS z ysel4 LHITY uns s 5 5
16. Set the thermostat s system mode to COOL and the fan mode to AUTO Gradually lower the thermostat temperature setpoint below room temperature and verify the outdoor unit and indoor blower energize 2 Verify blower wheel is spinning in direction indicated by arrow Feel the air being circulated by the indoor blower and verify that it is cooler than ambient temperature Listen for any unusual noises If unusual sounds occur determine the source of the noise and correct as necessary 3 Verify HI and LO refrigerant pressures 4 Allow the system to operate for several minutes and then set the temperature selector above room temperature Verify the fan and compressor cycle off with the thermostat NOTE The blower should also stop unless fan mode is set to the ON position System Heating optional 1 Set the thermostat s system mode to HEAT and the temperature mode above room temperature 2 Verify the optional heating equipment furnace or electric heat and indoor blower energize Feel the air being circulated by the indoor blower and verify that it is warmer than ambient temperature Listen for any unusual noises If unusual sounds occur determine the source of the noise and correct as necessary AIR CONDITIONER MAINTENANCE WARNING To prevent electrical shock personal injury or death disconnect all electrical power to the unit before performing any maintenance or service The unit may have more than one electrical su
17. TURATION gt Remove refrigerant if above the curve a D 5 D C 5 5 5 Add refrigerant if below the curve Do not add or remove refrigerant if pressure reading is between unit curves and saturation curve 95 105 115 Liquid Temperature F Figure 5 Charging Chart for 2 5 Ton Units ELECTRICAL DIAGRAMS amp TABLES 6021 sossaidwiog 9S9 5 91314 Yams ainssaig SdH OVLOLLZ yom ainssalg MOT 841 pa ah HOD ONIYIM 91913 1 09 20 02 00 00 5 HOLIMS pp MOT MOTISA SNOILOSNNOO Gals LIOA vz xovg mona KE nona 99719 AlddNs 7al4 dIONJTOS ASVHd HOSSIHdWOO 1 11 TWNIWHSL YOLOW YOLOW SLOVLNOO 5 Q el arioso syy pue n3119 04 U09 10 5 061 snid 995 HNI Z 55 2 p
18. asily in the electrical box of the outdoor unit near the compressor contactor By monitoring and analyzing data from the Copeland scroll compressor and the thermostat demand the module can accurately detect the cause of electrical and system related failures without any sensors A flashing LED indicator communicates the ALERT code and a diagnostic key is also imprinted on the side of the module to quickly direct the technician to the root cause of aproblem NOTE This module does not provide safety protection The Comfort Alert Diagnostics Module is a monitoring device and cannot control or shut down other devices 24 VAC Power Wiring The Comfort Alert module requires a constant nominal 24 VAC power supply The module cannot be powered by the C terminal on a defrost board or other control board without experiencing nuisance alerts NOTE The wiring to the module s R amp C terminals must be routed directly from the indoor unit or thermostat Ifthe constant 24 VAC R wire is not presentin the outdoor unit use one of the spare wires in the thermostat cable to bring power to the module Connect the other end of the spare wire to R at the indoor unit or thermostat POWER LED Green wh Diagnostics Key WN EA N ALERT LED Yellow ra VR Figure 2 Comfort Alert Diagnostics Module Thermostat Demand Wiring The Comfort Alert module requires athermostat demand signal to op
19. coil is dirty Liquid line restriction filter drier blocked if present in system Thermostat is malfunctioning Solenoid plug not connected Y2 not wired at Comfort Alert Check thermostat sub base or wiring for short circuit Check thermostat installation location level Comfort Alert failure High head pressure Check high pressure switch if present in system Check if system is overcharged with refrigerant Check for non condensable in system Discharge or suction Condenser coil poor air circulation dirty blocked damaged Condenser fan is not running Check fan capacitor Check fan wiring and connectors Check fan motor for failure or blockage Return air duct has substantial leakage Compressor overloaded z If low pressure switch present in system check Flash Code 1 information Thermostat demand signal is intermittent Short Cycling Compressor is Low line voltage contact utility if voltage at disconnect is low running only briefly Excessive liquid refrigerant in compressor Compressor bearings are seized System Pressure Trip Pressure out of limits Run capacitor has failed Low line voltage contact if voltage at disconnect is low Check wiring connections Excessive liquid refrigerant in compressor Compressor bearings are seized Measure compressor oil level Locked Rotor Outdoor unit power
20. commendations could result in possible damage to the equipment serious personal injury or death The installer must comply with all local codes and regulations which govern the installation of this type of equipment Local codes and regulations take precedence over any recommendations contained in these instructions Consult local building codes and the National Electrical Code ANSI Cl for special installation requirements All electrical wiring must be completed in accordance with local state and national codes and regulations and with the National Electric Code ANSI NFPA 70 or in Canada the Canadian Electric Code Part 1 CSA C 22 1 This equipment contains liquid and gaseous refrigerant under high pressure DO NOT USE ANY PORTION OF THE CHARGE FOR PURGING OR LEAK TESTING Installation or servicing should only be performed by qualified trained personnel thoroughly familiar with this type equipment Fully annealed refrigerant grade copper tubing should be used when installing the system Refrigerant suction line tubing should be fully insulated Installation of equipment may require brazing operations Installer must comply with safety codes and wear appropriate safety equipment safety glasses work gloves fire extinguisher etc when performing brazing operations Follow all precautions in the literature on tags and on labels provided with the equipment Read and thoroughly understand the instructions provided with the eq
21. d closed Thermostat demand signal not connected to module Yellow BED COmPRessor always runs ALERT Low Voltage Control circuit transformer is overloaded Flash Code 9 ircuit lt 17VAC Low line voltage contact utility if voltage at disconnect is low Yellow LED Control circuit lt Check wiring connections Flash code number corresponds to a number of LED flashes followed by a pause and then repeated Trip and alert LED s flashing at same time means control circuit voltage is too low for operation Table 3 LED Diagnostics Continued Miswired Module Indication Recommended Troubleshooting Action Determine if both R 4 module terminals connected Green LED is not on module dose netpewerip e Verify voltage is present at module s R amp C terminals Green LED intermittent module powers up only when e Determine if R amp terminals are wired in reverse compressor runs e Verify modules R 4 terminals have a constant source Verify terminal is connected to 24VAC at contactor coil Verify voltage at contactor coil falls below 0 5VAC when off e Verify 24VAC is present across amp when thermostat demand signal is preset If not R amp C are reversed wired TRIP LED amp ALERT LED flashing together e Verify R amp terminals are supplied with 19 28VAC ALERT Flash CODE 3 displayed incorrectly e Verify terminal is connected to 24VAC at contactor coil Compre
22. disconnect is open Compressor circuit breaker fuse s is open Compressor contactor has failed open Check compressor contactor wiring and connectors Check for compressor contactor failure burned pitted or open Check wiring and connectors between supply and compressor Check for low pilot voltage at compressor contactor coil High pressure switch is open and requires manual reset Open circuit in compressor supply wiring or connections Unusually long compressor protector reset time due to extreme ambient temperature Compressor windings are damaged Check compressor motor winding resistance Open Circuit Table 3 LED Diagnostics Status LED Status LED Description Status LED Troubleshooting Information Run capacitor has failed ALERT Open Start Circuit Open circuit in compressor start wiring or connections Flash Code 6 Current only in run ae ing and connectors between supply and the compressor S Yellow LED circuit Compressor start winding is damaged Check compressor motor winding resistance Open circuit in compressor wiring connections ALERT Open run circuit Check wiring and connectors between supply and the compressor R Flash Code 7 Current only in start terminal Yellow LED circuit Compressor run winding is damaged Check compressor motor winding resistance ALERT Flash Code g Welded Contactor Compressor contactor has faile
23. efrigerant to the amount specified on the unit rating label Charging charts are valid for a variety of indoor return air conditions and are most influenced by the outdoor ambient temperature outdoor fan operation and the unit operating voltage Before using these charts make sure the unit is in a stable operating mode As shown in the charging chart Figure 5 the ideal system sub cooling can vary over the range of operation Reference the charts to determine the ideal amount of sub cooling fora given liquid pressure Units charged to other values will not perform at the rated unit efficiency EER or rated Coefficient of Performance COP in heating mode Toinspecta systems operation using quality instruments match the measured liquid temperature to the units chart The measured liquid pressure reading should be within 3 of the charts value for most installations For systems that are operating with more than a 5 deviation inspect the unit for the proper voltage and phase balance and the refrigeration system for leaks Units that are operating at less then 95 of the nominal voltage or with 2 phase imbalance may see a more significant deviation than the amount stated above DO NOT use the charts in systems that have a fan cycling under low ambient control Refer to the low ambient kit instructions for more information If applicable 16 SEER AC MC Charging Chart 5 MODELS 2 4 MODELS R 410A SA
24. erate properly The thermostat demand signal input labeled Y on the module should always be connected to the compressor contactor coil NOTE When the coil is energized the demand signal input is 24 VAC When the coil is not energized the demand signal input should be less than 0 5 VAC NOTES Factory installed modules have different thermostat demand signal wiring Always follow manufacturer wiring instructions when replacing the module After the thermostat demand signal is connected verify that 24 VAC across Y amp C when demand is present Interpreting the Diagnostic LED s When an abnormal system condition occurs the Comfort Alert module displays the appropriate ALERT and or TRIP LED will flash a number of times consecutively pause and then repeat the process To identify a Flash Code number count the number of consecutive flashes Each time the module powers up the last ALERT Flash Code that occurred prior to shut down is displayed for one minute The module will continue to display the LED until the condition returns to normal or if 24 VAC power is removed from the module See Table 3 page 16 for flash code identification or Table 4 page 17 for module wiring troubleshooting LED Description POWER LED Green indicates voltage is present at the power connection of the module ALERT LED Yellow communicates an abnormal system condition through a unique flash code NOTE The ALERT LED
25. event damage to the tubing connections carefully remove the carton and user s manual from the equipment Discard the shipping carton Ground Level Ground level installations must be located according to local building codes or ordinances and these requirements Clearances must be in accordance with those shown in Figure 1 A suitable mounting pad Figure 1 must be provided and separate from the building foundation The pad must be level and strong enough to support the weight of the unit The slab height must be a minimum of 2 5 cm above grade and with adequate drainage Roof Mount The method of mounting should be designed so that it does not overload roof structures or transmit noise to the interior of the structure The roof mustbe structurally capable of handling the weight of the unit Full perimeter support is required under the unit Support must be made of weather resistant materials and installed prior to unit installation The support must be built to raise the unit 6 above the roof 6 from Building or Structure gt 12 or 18 See Note 24 for i Service Access gt DO NOT OBSTRUCT TOP OF UN See Note NOTE Units require full perimeter clearances Installer must maintain 18 between two units or 12 between single unit and structure y 2 Mounting Pad Figure 1 Clearance Requirements Connecting Refrigerant Tubing Between the Indoor am
26. hridirectory org Unitary Small AC LIsTED AHRI Standard 210 240 ELECTRICAL SYSTEM Electrical connections tight YES 2 2 OJo Line voltage polarity correct YES Rated Voltage L1 L2 Volts L1 L3 Volts L2 L3 Volts Avg Volts Max deviation of voltage from avg volts Volt imbalance Blower Motor HP Has the thermostat been calibrated YES REPLACEMENT PARTS Replacementparts are available through all Nordyne distributors Please have the complete model and serial number of the unit when ordering replacement parts Sheave Setting Is the thermostat level Is the heat anticipator setting correct If Applicable Certification applies only when the complete system is listed with AHRI Cabinet Panels Expansion Valves We Encourage Professionalism i Clan So YOUR ENVIRONMENT OUR EXPERTISE v MEMBER COMPANY wud ENCE Through Technician Certification by NATE Electrical Capacitors Temperature Limit Switches Compressors Thermostats Contactors Time Delay Relays Pressure Switches Transformers Relays Motors Blower Motor US Fan Motor Components Intertek Blower Assembly Fan Grille Filter Driers NORDYNE COMPLETE COMFORT GENUINE VALUE Specifications amp illustrations subject to change without notice or incurring obligations Fallon Printed in U S A 05 12 7094330 Replaces 709129A
27. ical appliances Refer to the thermostat manufacturer s instruction sheet for detailed mounting and installation information Table 2 Thermostat Wire Gauge START UP amp ADJUSTMENTS Pre Start Check List Verify the indoor unit is level and allows proper condensate drainage Verify the outdoor coil and top of the unit are free from obstructions and debris and all equipment access control panels are in place Verify air filters are cleaned and properly installed Verify duct work is sealed to prevent air leakage Verify line voltage power leads are securely connected and the unit is properly grounded Verify low voltage wires are securely connected to the correct leads on the low voltage terminal strip Verify power supply branch circuit overcurrent protection is sized properly Verify the thermostat is wired correctly Start Up Procedures The thermostat s function mode should be set to OFF and the fan mode should be set to AUTO Close all electrical disconnects to energize the system Air Circulation Indoor Blower 1 Set the thermostat system mode on OFF and the fan mode to ON 2 Verify the blower runs continuously Check the air delivery at the supply registers and adjust register openings for balanced air distribution If insufficient air is detected examine ductwork for leaks or obstructions 3 Set the thermostat fan mode to AUTO and verify the blower stops running System Cooling 1
28. in the absence of local codes with the National Electrical Code ANSI NFPA 70 or the CSA C22 1 Electrical Code Use the grounding lug provided in the control box for grounding the unit Thermostat Connections Air Conditioner Thermostat connections should be made in accordance 2 es conan an with the instructions supplied with the thermostat andthe indoor equipment Typical AC and thermostat hookups Furnace are shown in Figures 3 amp 4 NOTE EOR TLE MATCH The outdoor unit is designed to operate from a 24 VAC SES CR ne eae Class 11 control circuit The control circuit wiring must Only connect Y2 from thermostat to OD Y2 comply with the current provisions of the NEC ANSI NFPA 70 and with applicable local codes having Figure 4 Typical 2 Stage Air Conditioner jurisdiction without Comfort Alert with Gas Furnace The low voltage wires must be properly connected to the units low voltage terminal block Recommended i z i a Recommended T Stat Wire wire gauge and wire lengths for typical thermostat Thermostat Unit to T Stat Length in FT connections are listed in Table 2 Wire Gauge ae R The thermostat should be mounted about 5 feet above on ooo the floor on an inside wall DO NOT install the thermostat on an outside wall or any other location where its operation may be adversely affected by radiantheat from fireplaces sunlight or lighting fixtures and convective heat from warm air registers or electr
29. nnecting Refrigerant Tubing between the Indoor amp Outdoor Unit ELECTRICAL WIRING Pre Electrical Checklist Line Voltage Comfort Alert Diagnostics Module 24VAC Power Wiring Thermostat Demand Wiring Interpreting the Diagnostic LED s LED Description Grounding Thermostat Connections STARTUP amp ADJUSTMENTS Pre Start Checklist Start up Procedures Air Circulation Indoor Blower System Cooling System Heating AIR CONDITIONER MAINTENANCE COMPONENT FUNCTIONS REFRIGERANT CHARGING Charging the Unit in AC Mode with Outdoor Temperatures Above 55 Application Notes for Using the Charging Chart 9 ELECTRICAL DIAGRAMS amp TABLES Figure 6 S4BF 024 Figure 7 S4BF 024 w Comfort Alert Figure 8 S4BF 036 Figure 9 S4BF 036 w Comfort Alert Figure 10 S4BF 048 amp 060 Figure 11 S4BF 048 amp 060 w Comf Alert Table 3 Comfort Alert LED Diagnostics Table 4 Module Wiring Troubleshooting INSTALL PERFORMANCE CHECKLIST REPLACEMENT PARTS IMPORTANT SAFETY INFORMATION INSTALLER Please read all instructions before servicing this equipment Pay attention to all safety warnings and any other special notes highlighted in the manual Safety markings are used frequently throughout this manual to designate a degree or level of seriousness and should not be ignored WARNING indicates a potentially hazardous situation that if not avoided could result in personal injury or death CAUTION indicates a potentially hazard
30. ompany The indoor section air handler furnace etc should be installed before routing the refrigerant tubing Refer to the indoor unit s installation instructions for installation details Allunits are securely packed at the time of shipmentand upon arrival should be carefully inspected for damage prior to installing the equipment at the job site Verify coil fins are straight If necessary comb fins to remove flattened or bent fins Claims for damage apparent or concealed should be filed immediately with the carrier Please consult your dealer for maintenance information and availability of maintenance contracts Please read all instructions before installing the unit Locating the Air Conditioner Survey the job site to determine the best location for mounting the outdoor unit The outdoor unit should be installed no closer than 18 inches from the outside walls of the facility andin an area free from overhead obstructions to ensure unrestricted airflow through the outdoor unit Sufficient clearance for unobstructed airflow through the outdoor coil must be maintained in order to achieve rated performance See Figure 1 for minimum clearances to obstructions Overhead obstructions Figure 1 poorly ventilated areas and areas subject to accumulation of debris should be avoided Consideration should be given to availability of electric power service access noise and shade e e e Packaging Removal NOTE To pr
31. ous situation that if not avoided may result in minor or moderate injury or property damage A WARNING Shut off all electrical power to the unit before performing any maintenance or service on the system Failure to comply may resultin personal injury or death A WARNING Unless noted otherwise in these instructions only factory authorized parts or accessory kits may be used with this product Improper installation service adjustment or maintenance may cause explosion fire electrical shock or other hazardous conditions which may result in personal injury or property damage A WARNING S4BF Split System Air Conditioners are shipped charged with R410A refrigerant and ready for installation If repairs make it necessary for evacuation and charging it should only be attempted by qualified trained personnel thoroughly familiar with this equipment Under no circumstances should the owner attempt to install and or service this equipment Failure to comply with this warning could resultin property damage personal injury or death A CAUTION This unit uses R 410A refrigerant DO NOT use any other refrigerant in this unit Use of another refrigerant will damage the unit A WARNING The information listed below must be followed during the installation service and operation of this unit Unqualified individuals should not attempt to interpret these instructions or install this equipment Failure to follow safety re
32. p Outdoor Unit A CAUTION When servicing cover or seal openings to minimize the exposure of the refrigerant system to air to prevent accumulation of moisture and other contaminants After outdoor and indoor unit placement has been determined route refrigerant tubing between the equipmentin accordance with sound installation practices When connecting refrigerant linesets together it is recommended that dry nitrogen be flowing through the joints during brazing to prevent internal oxidation and scaling Refrigerant tubing should be routed in a manner that minimizes the length of tubing and the number of bends in the tubing If precise forming of refrigerant lines is required a copper tubing bender is recommended Avoid sharp bends and contact of the refrigerant lines with metal surfaces Refrigerant tubing should be supported in a manner that the tubing will not vibrate or abrade during system operation Tubing should be kept clean of foreign debris during installation Every effort should be made by the installer to ensure thatthe field installed refrigerant containing components of the system have been installed in accordance with these instructions and sound installation practices to insure reliable system operation and longevity The maximum recommended interconnecting refrigerant line lengths is 75 ft and the vertical elevation difference between the indoor and outdoor sections should not exceed 20 ft A filter dryer is
33. pply Proper maintenance is important to achieve optimum performance from the air conditioner The ability to properly perform maintenance on this equipment requires certain mechanical skills and tools If you do not possess these skills contact your dealer for maintenance Consult your local dealer aboutthe availability of maintenance contracts Routine maintenance should include the following Inspect and clean or replace air filters at the beginning of each heating and cooling season or more frequently if required Inspect the condensate drain and outdoor coil at the beginning of each cooling season Remove any debris Clean the outdoor coil and louvers as necessary using amild detergent and water Rinse thoroughly with water Inspect the electrical connections for tightness at the beginning of each heating and cooling season Service as necessary A CAUTION The unit should never be operated without a filter in the return air system Replace disposable filters with the same type and size Donotattemptto add additional oil to motors unequipped with oil tubes The compressor is hermetically sealed at the factory and does not require lubrication N COMPONENT FUNCTIONS Comfort Alert Diagnostics Select Models Only The Comfort Alert diagnostics module troubleshoots heat pump and air conditioning system failures and accurately detects the cause of electrical and system related failures without any senso
34. rs A flashing LED indicator communicates the ALERT code to quickly direct the technician to the root cause of a problem High Pressure Switch HPS A high pressure switch is factory installed and located in the liquid line internal to the outdoor unit The switch is designed to protect the system when very high pressures occur during abnormal conditions Under normal conditions the switch is closed If the liquid pressure rises above 575 psig then the switch will open and de energize the outdoor unit The switch will close again once the liquid pressure decreases to 460 psig Please note that the switch interrupts the thermostat inputs to the unit Thus when the switch opens and then closes there may be a5 minute short cycling delay before the outdoor unit will energize Low Pressure Switch Select Models A low pressure switch is factory installed and located in the suction line internal to the outdoor unit The switch is designed to protectthe compressor from a loss of charge Under normal conditions the switch is closed Ifthe suction pressure falls below 5 psig then the switch will open and de energize the outdoor unit The switch will close again once the suction pressure increases above 20 psig Please note that the switch interrupts the thermostat inputs to the unit When the switch opens and then closes there will be a 5 minute short cycling delay before the outdoor unit will energize REFRIGERANT CHARGING A WARNING S
35. ssor short cycling Verify voltage at contactor coil falls below 0 5VAC when off Trip LED is on but system and compressor check OK Verify the compressor run and start wires are routed through the module s ALERT Flash Code 5 6 or 7 displayed incorrectly current sensing holes Open Circuit Open Start Circuit or Open Run Circuit Verify the terminal is connected to 24VAC at contactor coil Verify voltage at contactor coil falls below 0 5VAC when off ALERT Flash Code 6 Open Start Circuit displayed for Verify the compressor run and start wires are routed through the correct Code 7 Open Run Circuit or vice versa module sensing holes Determine if module s terminal is connected e Verify Y terminal is connected to 24VAC at contactor coil ALERT Flash Code 8 displayed incorrectly Welded Verify 24VAC is present across amp when thermostat demand signal is Contactor present If not R amp C are reversed wired Verify voltage at contactor coil falls below 0 5VAC when off e Review Thermostat Demand Wiring 10 for amp wiring Table 4 Module Wiring Troubleshooting 17 18 19 INSTALLATION PERFORMANCE CHECK LIST INSTALLATION ADDRESS CITY STATE UNIT MODEL UNIT SERIAL Unit Installed Minimum clearances per INSTALLER NAME CITY STATE REFRIGERATION SYSTEM DESIGNERS ASSEMBLED CERTIFIED www a
36. the system operating at steady state measure the liquid refrigerant pressure in psig at the outdoor unit service valve 2 Measure the liquid refrigeranttemperature in Fahrenheit at the service valve 3 Determine the required liquid refrigerant pressure from the appropriate charging chart Figure 5 If the pressure measured in Step 1 is greater than the required liquid refrigerant pressure determined in Step 3 then there is too much charge in the system Remove refrigerant and repeat Steps 1 through 3 until the system is correctly charged If the pressure measured in Step 1 is less than the required liquid refrigerant pressure determined in Step 3 there is too little charge in the system Add refrigerant and repeat Steps 1 through 3 until the system is correctly charged Application Notes on the Use of Charging Charts This equipment s cooling system contains refrigerant under high pressure Always use safe and environmentally sound methods when handling refrigerant handling or servicing the unit Review the factory literature and safety warnings prior to servicing When repairing system leaks always use a nitrogen inert gas to protect the refrigerant system and pressure check the repair before re charging Always replace the filter dryers when performing any repair to the refrigeration system with one capable of acid removal After completing the repairs evacuate the system to 350 500 microns and weigh in the r
37. tus LED Status LED Description Status LED Troubleshooting Information Ca Module has power Supply voltage is present at module terminals TRIP Red LED ALERT Flash Code 1 Yellow LED ALERT Flash Code 2 Yellow LED ALERT Flash Code 3 Yellow LED ALERT Flash Code 4 Yellow LED ALERT Flash Code 5 Yellow LED 16 e Compressor protector is open Check for high head pressure Thermostat demand signalY unk power dlesonnect E open gt present but compr ssor is e Compressor circuit breaker fuse s is open hot running Broken wire or connector is not making contact Low pressure switch open if present in system Compressor contactor has failed open Low refrigerant charge Evaporator blower is not running Check blower relay coil and contacts Check blower motor capacitor Check blower motor for failure or blockage Check evaporator blower wiring and connectors Check indoor blower control board Check thermostat wiring for open circuit Evaporator coil is frozen Hai for low suction pressure Check for excessively low thermostat setting Cone elie unning Check evaporator airflow coil blockages or return airfilter Check ductwork or registers for blockage extremely long run cycles Faulty metering device Check TXV bulb installation size location and contact Check if TXV fixed orifice is stuck closed or defective Condenser
38. uipment prior to performing the installation and operational checkout of the equipment Refrigerant and electrical line should be routed through suitably waterproofed openings to prevent water from leaking into the structure e e e e AIR CONDITIONER INSTALLATION General Information The S4BF series air conditioner is designed only for outdoor rooftop or ground level installations This unit has been tested for capacity and efficiency in accordance with AHRI Standards and will provide many years of safe and dependable comfort providing it is properly installed and maintained Abuse improper use and or improper maintenance can shorten the life of the appliance and create unsafe hazards To achieve optimum performance and minimize equipment failure it is recommended that periodic maintenance be performed on this unit The ability to properly perform maintenance on this equipment requires certain mechanical skills and tools Before You Install this Unit The cooling load of the area to be conditioned must be calculated and a system of the proper capacity selected It is recommended that the area to be conditioned be completely insulated and vapor sealed Check the electrical supply and verify the power supply is adequate for unit operation The system must be wired and provided with circuit protection in accordance with local building codes If there is any question concerning the power supply contact the local power c
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